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Protein

Aspartate ammonia-lyase

Gene

aspA

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score:

Annotation score:5 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei104SubstrateBy similarity1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

  • aspartate ammonia-lyase activity Source: EcoCyc

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionLyase

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
EcoCyc:ASPARTASE-MONOMER
MetaCyc:ASPARTASE-MONOMER

BRENDA Comprehensive Enzyme Information System

More...
BRENDAi
4.3.1.1 2026

SABIO-RK: Biochemical Reaction Kinetics Database

More...
SABIO-RKi
P0AC38

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Aspartate ammonia-lyase (EC:4.3.1.1)
Short name:
Aspartase
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:aspA
Ordered Locus Names:b4139, JW4099
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiEscherichia coli (strain K12)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri83333 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000000318 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome
  • UP000000625 Componenti: Chromosome

Organism-specific databases

Escherichia coli strain K12 genome database

More...
EcoGenei
EG10095 aspA

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi10D → A: Loss of activity. 1 Publication1
Mutagenesisi10D → N: Reduces Kcal by 80%. Increases KM for aspartic acid 3-fold. 1 Publication1
Mutagenesisi15R → A: No effect on Kcat. Increases KM for aspartic acid 2.5-fold. 1 Publication1
Mutagenesisi26H → N: No effect on Kcat. Increases KM for aspartic acid 3-fold. 1 Publication1
Mutagenesisi29R → A: No effect on Kcat. Increases KM for aspartic acid 40-fold. 1 Publication1
Mutagenesisi55K → R: Loss of activity. 1 Publication1
Mutagenesisi124H → L: Reduces activity by 30%. 1 Publication1
Mutagenesisi143S → G: Reduces Kcat by 90%. Increases KM for aspartic acid 4-fold. 1 Publication1
Mutagenesisi143S → T: Reduces Kcat by 98.5%. Increases KM for aspartic acid 2-fold. 1 Publication1
Mutagenesisi327K → R: Reduces activity by 99.7%. Increases KM for aspartic acid 5-fold. 1 Publication1

Chemistry databases

Drug and drug target database

More...
DrugBanki
DB02379 Beta-D-Glucose

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001613381 – 478Aspartate ammonia-lyaseAdd BLAST478

Proteomic databases

Encyclopedia of Proteome Dynamics

More...
EPDi
P0AC38

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P0AC38

PRoteomics IDEntifications database

More...
PRIDEi
P0AC38

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer.1 Publication

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

WithEntry#Exp.IntActNotes
dnaKP0A6Y83EBI-544200,EBI-542092

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGrid)

More...
BioGridi
4262692, 19 interactors

Database of interacting proteins

More...
DIPi
DIP-36166N

Protein interaction database and analysis system

More...
IntActi
P0AC38, 12 interactors

STRING: functional protein association networks

More...
STRINGi
316385.ECDH10B_4332

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

Secondary structure

1478
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
P0AC38

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...
SMRi
P0AC38

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...
EvolutionaryTracei
P0AC38

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni143 – 145Substrate bindingBy similarity3

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG4108IJ0 Bacteria
COG1027 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000061737

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P0AC38

KEGG Orthology (KO)

More...
KOi
K01744

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P0AC38

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.275.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR004708 ApsA
IPR024083 Fumarase/histidase_N
IPR018951 Fumarase_C_C
IPR020557 Fumarate_lyase_CS
IPR000362 Fumarate_lyase_fam
IPR022761 Fumarate_lyase_N
IPR008948 L-Aspartase-like

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF10415 FumaraseC_C, 1 hit
PF00206 Lyase_1, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00149 FUMRATELYASE

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF48557 SSF48557, 1 hit

TIGRFAMs; a protein family database

More...
TIGRFAMsi
TIGR00839 aspA, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00163 FUMARATE_LYASES, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

P0AC38-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSNNIRIEED LLGTREVPAD AYYGVHTLRA IENFYISNNK ISDIPEFVRG
60 70 80 90 100
MVMVKKAAAM ANKELQTIPK SVANAIIAAC DEVLNNGKCM DQFPVDVYQG
110 120 130 140 150
GAGTSVNMNT NEVLANIGLE LMGHQKGEYQ YLNPNDHVNK CQSTNDAYPT
160 170 180 190 200
GFRIAVYSSL IKLVDAINQL REGFERKAVE FQDILKMGRT QLQDAVPMTL
210 220 230 240 250
GQEFRAFSIL LKEEVKNIQR TAELLLEVNL GATAIGTGLN TPKEYSPLAV
260 270 280 290 300
KKLAEVTGFP CVPAEDLIEA TSDCGAYVMV HGALKRLAVK MSKICNDLRL
310 320 330 340 350
LSSGPRAGLN EINLPELQAG SSIMPAKVNP VVPEVVNQVC FKVIGNDTTV
360 370 380 390 400
TMAAEAGQLQ LNVMEPVIGQ AMFESVHILT NACYNLLEKC INGITANKEV
410 420 430 440 450
CEGYVYNSIG IVTYLNPFIG HHNGDIVGKI CAETGKSVRE VVLERGLLTE
460 470
AELDDIFSVQ NLMHPAYKAK RYTDESEQ
Length:478
Mass (Da):52,356
Last modified:August 13, 1987 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:iB6E8432DBF385DEA
GO

<p>This subsection of the ‘Sequence’ section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence AAA97038 differs from that shown. Reason: Erroneous initiation. Translation N-terminally shortened.Curated

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti32E → V in CAA27701 (PubMed:3541901).Curated1

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
X02307 Genomic DNA Translation: CAA26173.1
X04066 Genomic DNA Translation: CAA27701.1
U14003 Genomic DNA Translation: AAA97038.1 Different initiation.
U00096 Genomic DNA Translation: AAC77099.2
AP009048 Genomic DNA Translation: BAE78141.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A01159 UFECDW

NCBI Reference Sequences

More...
RefSeqi
NP_418562.4, NC_000913.3
WP_000069437.1, NZ_LN832404.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAC77099; AAC77099; b4139
BAE78141; BAE78141; BAE78141

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
948658

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ecj:JW4099
eco:b4139

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|1411691.4.peg.2561

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X02307 Genomic DNA Translation: CAA26173.1
X04066 Genomic DNA Translation: CAA27701.1
U14003 Genomic DNA Translation: AAA97038.1 Different initiation.
U00096 Genomic DNA Translation: AAC77099.2
AP009048 Genomic DNA Translation: BAE78141.1
PIRiA01159 UFECDW
RefSeqiNP_418562.4, NC_000913.3
WP_000069437.1, NZ_LN832404.1

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...
PDBei

Protein Data Bank RCSB

More...
RCSB PDBi

Protein Data Bank Japan

More...
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1JSWX-ray2.70A/B/C/D1-478[»]
ProteinModelPortaliP0AC38
SMRiP0AC38
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

BioGridi4262692, 19 interactors
DIPiDIP-36166N
IntActiP0AC38, 12 interactors
STRINGi316385.ECDH10B_4332

Chemistry databases

DrugBankiDB02379 Beta-D-Glucose

Proteomic databases

EPDiP0AC38
PaxDbiP0AC38
PRIDEiP0AC38

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAC77099; AAC77099; b4139
BAE78141; BAE78141; BAE78141
GeneIDi948658
KEGGiecj:JW4099
eco:b4139
PATRICifig|1411691.4.peg.2561

Organism-specific databases

EchoBASE - an integrated post-genomic database for E. coli

More...
EchoBASEi
EB0093
EcoGeneiEG10095 aspA

Phylogenomic databases

eggNOGiENOG4108IJ0 Bacteria
COG1027 LUCA
HOGENOMiHOG000061737
InParanoidiP0AC38
KOiK01744
PhylomeDBiP0AC38

Enzyme and pathway databases

BioCyciEcoCyc:ASPARTASE-MONOMER
MetaCyc:ASPARTASE-MONOMER
BRENDAi4.3.1.1 2026
SABIO-RKiP0AC38

Miscellaneous databases

EvolutionaryTraceiP0AC38

Protein Ontology

More...
PROi
PR:P0AC38

Family and domain databases

Gene3Di1.10.275.10, 1 hit
InterProiView protein in InterPro
IPR004708 ApsA
IPR024083 Fumarase/histidase_N
IPR018951 Fumarase_C_C
IPR020557 Fumarate_lyase_CS
IPR000362 Fumarate_lyase_fam
IPR022761 Fumarate_lyase_N
IPR008948 L-Aspartase-like
PfamiView protein in Pfam
PF10415 FumaraseC_C, 1 hit
PF00206 Lyase_1, 1 hit
PRINTSiPR00149 FUMRATELYASE
SUPFAMiSSF48557 SSF48557, 1 hit
TIGRFAMsiTIGR00839 aspA, 1 hit
PROSITEiView protein in PROSITE
PS00163 FUMARATE_LYASES, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiASPA_ECOLI
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P0AC38
Secondary accession number(s): P04422, P78140, Q2M6G5
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 13, 1987
Last sequence update: August 13, 1987
Last modified: December 5, 2018
This is version 107 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
  3. Escherichia coli
    Escherichia coli (strain K12): entries and cross-references to EcoGene
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